Engineering, 05.03.2020 22:58 Anderson0300

Match each item to the appropriate answer. Percent of oxygen in the atmosphere Convert 15,000 ppb to ppm Convert 17oC to Kelvin Convert a carbon monoxide concentration of 0.0029% by volume to ppm. NAAQS lead standard in mg/m3 Particulate control equipment Compute the expected efficiency (in percent) of an electrostatic precipitator with a flow of 120 m3/s, drift velocity of 0.1 m/s, and total collector plate area of 1500 m2. Gas control equipment Convert 120 ppb of NO2 (molecular weight of 46 g/mole) at 1.2 atm and 5oC to mg/m3. The mass of particulates and volume of air passing through a high volume sampler in 24 hours are 120 mg and 1500 m3, respectively. What is the total suspended particulate concentration in mg/m3? A. 0.00015 B. 71 C. Flue gas desulfurization D. 15 E. 21 F. 9.5 G. 0.29 H. Electrostatic precipitator I. 0.08 J. 29 K. 290

Answers: 3

Show answers

Other questions on the subject: Engineering

Engineering, 03.07.2019 14:10, BardiFan

Amass of m 1.5 kg of steam is contained in a closed rigid container. initially the pressure and temperature of the steam are: p 1.5 mpa and t 240°c (superheated state), respectively. then the temperature drops to t2= 100°c as the result of heat transfer to the surroundings. determine: a) quality of the steam at the end of the process, b) heat transfer with the surroundings. for: p1.5 mpa and t 240°c: enthalpy of superheated vapour is 2900 kj/kg, specific volume of superheated vapour is 0. 1483 m/kg, while for t 100°c: enthalpy of saturated liquid water is 419kj/kg, specific volume of saturated liquid water is 0.001043m/kg, enthalpy of saturated vapour is 2676 kj/kg, specific volume of saturated vapour is 1.672 m/kg and pressure is 0.1 mpa.

Answers: 3

continue

Engineering, 04.07.2019 18:10, anna22684

Water at 70°f and streams enter the mixing chamber at the same mass flow rate, determine the temperature and the quality of the exiting stream. 0 psia is heated in a chamber by mixing it with saturated water vapor at 20 psia. if both streams enters the mixing chamber at the same mass flow rate, determine the temperature and the quality of the existing system.

Answers: 2

continue

Engineering, 04.07.2019 18:10, lowkeyqueenk

Apipe with an outside diameter of 15 cm is exposed to an ambient air and surrounding temperature of -20°c. the pipe has an outer surface temperature of 65°c and an emissivity of 0.85. if the rate of heat loss from the pipe surface is 0.95 kw per meter of length, the external convective heat transfer coefficient (h) is: (a) 12.5 w/m"k (b) 18.6 w/mk (c) 23.7 w/mk (d) 27.9 w/mk (e) 33.5 w/mk

Answers: 1

continue

Engineering, 04.07.2019 18:10, kevin72836

Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?

Answers: 2

continue

You know the right answer?

Match each item to the appropriate answer. Percent of oxygen in the atmosphere Convert 15,000 ppb to...